//
//  ProjectService.swift
//  Snail
//

import Foundation

nonisolated struct Project: Codable, Identifiable, Hashable, Sendable {
    let id: String
    let key: String
    let name: String
    let ownerId: String
    let createdAt: Date
    let updatedAt: Date
}

nonisolated struct PaginationMeta: Decodable, Sendable {
    let totalCount: Int
    let page: Int
    let totalPages: Int
}

nonisolated struct ProjectPage: Decodable, Sendable {
    let list: [Project]
    let meta: PaginationMeta
}

nonisolated struct ProjectService: Sendable {
    private let client: APIClient

    init(client: APIClient = APIClient()) {
        self.client = client
    }

    /// Проекты, в которых участвует текущий пользователь. Страницы нумеруются с 1.
    func list(page: Int, limit: Int) async throws -> ProjectPage {
        let response: Envelope<ProjectPage> = try await client.send(
            "GET",
            "projects/list",
            query: [
                URLQueryItem(name: "page", value: String(page)),
                URLQueryItem(name: "limit", value: String(limit)),
            ]
        )
        return response.data
    }

    func create(key: String, name: String) async throws -> Project {
        let response: Envelope<Project> = try await client.send(
            "POST",
            "projects",
            body: ["key": key, "name": name]
        )
        return response.data
    }

    /// Менять можно только название — ключ участвует в номерах задач.
    func update(id: String, name: String) async throws -> Project {
        let response: Envelope<Project> = try await client.send(
            "PATCH",
            "projects/\(id)",
            body: ["name": name]
        )
        return response.data
    }
}